First thing to check is if your Clock is correctly set (within 5 minutes). 
Almost all web sites use SSL certificates to verify that the machine you are 
receiving data from is actually the machine it clames to be. To prevent re-play 
 situations, the remote server sens back information including its knowledge of 
the current time to your web browser. If the time is not accurate enough, than 
your machine will declare the certificate invalide.

                Best wishes,

Jonathan Cohn



> On May 6, 2020, at 8:09 AM, ⁨Ramy Moustafa Saber رامي مصطفى صابر⁩ 
> <⁨ramy.moustaf...@gmail.com⁩> wrote:
> 
> Hi all:
> 
> From about 2 weeks, i start Receiving strange notifications on My Iphone and 
> Mac,
> on Iphone , I got a screen like:
> The identity of Google.com <http://google.com/> can not be verified, and it 
> asked me to press cancel or details, and when i press details, i found 
> another details, then a certificate details, and that is it,
> I got this screen for google, outlook 365, freedomscientific, and more. what 
> is it?
> On mac, when visiting a site from safari, i got a message:
> THis site is tried to steal your information, and this browsing is not 
> private, it did not allow  me to visit this site,
> Am afraid is someone is tring to steal my data or what?
> THnaks
> 
> 
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